As a result, Facebook stock did dip earlier this year-though not after CEO Mark Zuckerberg's congressional testimony regarding the company's data and privacy policies-leading some investors including billionaire hedge manager Jeffrey Gundlach, to proclaim the price a bubble.

USA job growth strong but unemployment rate rises to 4%The job growth wasn't enough to keep the unemployment rate from rising from 3.8 percent to 4 percent , the government said July 6. From Table B-3, average hourly earnings were +2.7% year over year in June economy-wide, while average weekly earnings were +3.0%.

Trapped Boys Crack Jokes, Reassure Parents in Short NotesHeadcam footage from Thailand shows the tough conditions facing dive teams working to rescue 12 boys and their coach from a cave. The rescue team also includes divers and workers from Australia, the United Kingdom , and other parts of Europe and Asia.

The world's largest social media network is facing scrutiny in Europe and the United States about allegations that London-based political consultancy Cambridge Analytica improperly accessed user information to build profiles on American voters that were later used to help elect US President Donald Trump in 2016. This is the first time that the top three wealthiest people in the world all made their fortunes in technology.

Facebook appears to have made it through its worst storm to date, though. Overall, the sector has contributed about one-fifth of the $5 billion in wealth tracked by the index, Bloomberg reported.

Those shares are now worth over $50 billion.

Zuckerberg has pledged to give away 99 percent of his Facebook stock away in his lifetime, his Bloomberg profile shows.